[clang] [clang] [modules] Add err_main_in_named_module (PR #146247)

[Mikael Holmén via cfe-commits]

mikaelholmen wrote:

Hello,

With this patch I get
```
Unexpectedly Passed Tests (5):
  llvm-libc++-shared.cfg.in :: libcxx/selftest/modules/std-and-std.compat-module.sh.cpp
  llvm-libc++-shared.cfg.in :: libcxx/selftest/modules/std-module.sh.cpp
  llvm-libc++-shared.cfg.in :: libcxx/selftest/modules/std.compat-module.sh.cpp
  llvm-libc++-shared.cfg.in :: std/modules/std.compat.pass.cpp
  llvm-libc++-shared.cfg.in :: std/modules/std.pass.cpp
```
any idea what's happening?

https://github.com/llvm/llvm-project/pull/146247